Question

There are 800 students. For a PT drill they have to stand in a square formation, such that the number of rows is equal to number of columns. Find the greatest number of children needed to complete the formation. ​

Answer 1

Answer: 784 students are needed to complete the formation

Step-by-step explanation:

All 4 sides of a square are of same length.

For number of rows to be equal to number of columns

28 rows and 28 columns = 784 students (28*28)

We cant take 29*29. Because that will give 841 students.

Take the example of a chess board

Total squares are 64, number of rows are equal  to number of columns. (8*8)

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Answer 2

Answer:

Total no. of Children = 800

Greatest no. of children to complete the formation = 800 - √800 Remainder

= 800 - 16

= 784

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